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CVE-2022-42011

24
FAUCET Score

CVE-2022-42011 is a denial-of-service vulnerability affecting D-Bus versions prior to 1.12.24, 1.14.4, and 1.15.2, including Fedora Project distributions. An authenticated attacker can crash the dbus-daemon and other libdbus-dependent programs by sending a malformed message with an inconsistent array length. This vulnerability has a CVSS score of 6.5 (Medium), indicating a network-based attack with low complexity, requiring user authentication, and resulting in high availability impact. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 1.12.24CPE matchmatch criteria
cpe:2.3:a:freedesktop:dbus:*:*:*:*:*:*:*:*
>= 1.13.0, < 1.14.4CPE matchmatch criteria
cpe:2.3:a:freedesktop:dbus:*:*:*:*:*:*:*:*
>= 1.15.0, < 1.15.2CPE matchmatch criteria
cpe:2.3:a:freedesktop:dbus:*:*:*:*:*:*:*:*
35CPE matchmatch criteria
cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*
36CPE matchmatch criteria
cpe:2.3:o:fedoraproject:fedora:36:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

6.5MEDIUM

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.35%
Probability of exploitation in next 30 days
EPSS Percentile
68.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
This CVE's current EPSS score of 0.0135 is in the 82nd percentile among its peer group of 21,951 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (8)

microsoftpatch availablevia msrc
Product: 18596-16820Fixed in: 1.13.6-6
microsoftpatch availablevia msrc
Product: 18597-16823Fixed in: 1.15.2-2
microsoftpatch availablevia msrc
Product: cm1 dbus 1.13.6-6 on CBL Mariner 1.0Fixed in: 1.13.6-6
microsoftpatch availablevia msrc
Product: cbl2 dbus 1.15.2-2 on CBL Mariner 2.0Fixed in: 1.15.2-2
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 9Fixed in: dbus-1:1.12.20-7.el9_1
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 9.0 Extended Update SupportFixed in: dbus-1:1.12.20-5.el9_0.1
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: dbus-1:1.12.8-23.el8_7.1
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8.6 Extended Update SupportFixed in: dbus-1:1.12.8-18.el8_6.2
View patch

Vendor Advisories (2)

microsoft2022-Oct/CVE-2022-42011Moderate

An issue was discovered in D-Bus before 1.12.24 1.13.x and 1.14.x before 1.14.4 and 1.15.x before 1.15.2. An authenticated attacker can cause dbus-daemon and other programs that use libdbus to crash when receiving a message where an array length is inconsistent with the size of the element type.

Oct 11, 2022
redhatCVE-2022-42011Moderate

dbus: dbus-daemon can be crashed by messages with array length inconsistent with element type

Oct 5, 2022

References

gitlab.freedesktop.org / dbus/dbus/-/issues/413
ExploitIssue TrackingThird Party Advisory
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/E4CO7N226I3X5FNBR2MACCH6TS764VJP
Mailing List
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/ND74SKN56BCYL3QLEAAB6E64UUBRA5UG
Mailing List
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/SQCSLMCK2XGX23R2DKW2MSAICQAK6MT2
Mailing List
security.gentoo.org / glsa/202305-08
Third Party Advisory
openwall.com / lists/oss-security/2022/10/06/1
Mailing ListPatchThird Party Advisory